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IDProjectCategoryView StatusDate SubmittedLast Update
0000381Hall D OfflineGeneralpublic2013-09-13 13:502013-09-13 13:50
Reporterwilevine 
Assigned To 
PrioritynormalSeverityminorReproducibilityhave not tried
StatusnewResolutionopen 
PlatformOSOS Version
Summary0000381: mcsmear BCAL: verify BCAL_mevPerPE value
DescriptionElton thinks the value of BCAL_mevPerPE is off by a factor of 2:

"We looked at the code in smear_bcal.cc and find the following statement at line 398:
BCAL_mevPerPE = 1.0/( BCAL_PHOTONSPERSIDEPERMEV_INFIBER * BCAL_DEVICEPDE * BCAL_SAMPLING_FRACT );
= 1/(75x 0.21 x 0.095) = 0.67
[As an side, I think this number lacks a factor of 2 reduction in p.e. due to light guide collection, which would bring the factor up to 1.3 MeV/p.e. Is this factor missing?]"
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Date Modified Username Field Change
2013-09-13 13:50 wilevine New Issue


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